Boiler section



FIG. 1 is a front elevational view of a boiler section showing my new design, the rear being identical thereto;

FIG. 2 is a left side elevational view, the right side being identical thereto;

FIG. 3 is a top plan view thereof; and

FIG. 4 is a bottom plan view thereof. 

The ornamental design for a boiler section, substantially as shown and described. 